This bug is missing log files that will aid in diagnosing the problem.
While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:
apport-collect 1840394
and then change the status of the bug to 'Confirmed'.
If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1840394
Title:
Intel HDMI audio print "Unable to sync register" errors
Status in HWE Next:
New
Status in linux package in Ubuntu:
Incomplete
Bug description:
1) Power on system with Salomon
2) Connect an external DP or HDMI monitor via DP/HDMI port
3) check audio output
4) Disconnect external monitor
5) Suspend system via power menu
6) resume the system via press power button on system
7) Connect an external DP or HDMI monitor via DP/HDMI port
8) check audio output
** select output as HDMI/DP, click "Test Speakers"
some error from dmesg
[ 2052.030247] snd_hda_codec_hdmi hdaudioC0D2: Unable to sync register
0x2f0d00. -5
[ 2064.937495] snd_hda_codec_hdmi hdaudioC0D2: Unable to sync register
0x2f0d00. -5
[ 2074.867368] snd_hda_codec_hdmi hdaudioC0D2: Unable to sync register
0x2f0d00. -5
[ 2086.902482] snd_hda_codec_hdmi hdaudioC0D2: Unable to sync register
0x2f0d00. -5
[ 2116.339892] snd_hda_codec_hdmi hdaudioC0D2: Unable to sync register
0x2f0d00. -5
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